共 24 条
Three-dimensional tracking of individual quantum dots
被引:96
作者:

Lessard, Guillaume A.
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机构:
Los Alamos Natl Lab, Ctr Integrated Nanotechnol MPA CINT, Los Alamos, NM 87545 USA Los Alamos Natl Lab, Ctr Integrated Nanotechnol MPA CINT, Los Alamos, NM 87545 USA

Goodwin, Peter M.
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Los Alamos Natl Lab, Ctr Integrated Nanotechnol MPA CINT, Los Alamos, NM 87545 USA Los Alamos Natl Lab, Ctr Integrated Nanotechnol MPA CINT, Los Alamos, NM 87545 USA

Werner, James H.
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Los Alamos Natl Lab, Ctr Integrated Nanotechnol MPA CINT, Los Alamos, NM 87545 USA Los Alamos Natl Lab, Ctr Integrated Nanotechnol MPA CINT, Los Alamos, NM 87545 USA
机构:
[1] Los Alamos Natl Lab, Ctr Integrated Nanotechnol MPA CINT, Los Alamos, NM 87545 USA
关键词:
D O I:
10.1063/1.2819074
中图分类号:
O59 [应用物理学];
学科分类号:
摘要:
We describe an instrument that extends the state of the art in a single-molecule tracking technology, allowing extended observations of single fluorophores and fluorescently labeled proteins as they undergo directed and diffusive transport in three dimensions. We demonstrate three-dimensional tracking of individual quantum dots undergoing diffusion for durations of over a second at velocities comparable to those of intracellular signaling processes.
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